https://simplread.com/lib/quota-label.js

1/**
2 * User-facing quota label for hosted simplifications (not BYOK).
3 * @param {{ usesHostedSimplify?: boolean, hasApiKey?: boolean, useHostedTokens?: boolean, purchasedCredits?: number, freeAllowanceRemaining?: number }} billing
4 * @returns {string|null}
5 */
6export function usesHostedQuotaDisplay(billing = {}) {
7  if (billing.usesHostedSimplify != null) return Boolean(billing.usesHostedSimplify);
8  if (billing.useHostedTokens) return true;
9  return !billing.hasApiKey;
10}
11
12export function formatQuotaLabel(billing = {}) {
13  if (!usesHostedQuotaDisplay(billing)) return null;
14
15  const purchased = Number(billing.purchasedCredits || 0);
16  if (purchased > 0) {
17    return `${purchased} token${purchased === 1 ? "" : "s"} left`;
18  }
19
20  const free = Number(billing.freeAllowanceRemaining ?? 0);
21  return `${free} free token${free === 1 ? "" : "s"} left`;
22}
23
24/** @param {HTMLElement|null} el @param {string|null} label */
25export function renderQuotaBadge(el, label) {
26  if (!el) return;
27  if (!label) {
28    el.textContent = "";
29    el.hidden = true;
30    return;
31  }
32  el.textContent = label;
33  el.hidden = false;
34}